Many people don't realize it but there are a lot of common household items that are considered to be hazardous materials. These include medications, paint, motor oil, antifreeze, auto batteries, lawn care products, pest control products, drain cleaners, pool care products such as chlorine and acids, and household cleaners. Some household cleaners may be harmful separately or when combined such as ammonia and bleach.

Pesticides are chemicals designed to kill rodents and insects. Herbicides are used to kill plants and micro-organisms. They can injure or potentially kill people by inhalation, ingestion and absorption through the skin. Exposure can affect the respiratory and nervous systems, and cause skin and organ damage. If improperly used, these chemicals also can injure or kill plants or animals that were not intended to be controlled. Certain pesticides that don't readily break down can accumulate in the food chain.

Unless otherwise directed, don't water an area immediately after applying these chemicals to it. This might cause them to run off with the extra water into a storm sewer or stream. Don't throw pesticides or herbicides in the trash, or pour them on the ground or down a
drain. Don't burn or bury them either. These methods of disposal can pollute groundwater, lakes and rivers.

The best way to get rid of these chemicals is to use them up unless they are banned. When mixing these chemicals, follow the directions on the label. Read the label to determine if protective clothing such as wraparound goggles, gloves or a respirator are needed. When
finished, wash protective clothing separately from other laundry in hot water.

If you can't use the chemicals, see if friends, neighbors, greenhouse or city park departments need them. Don't give away pesticides or herbicides that are banned, damaged or unlabeled.

After using all the pesticide or herbicide from a container, wash it three times and use the rinse water as pesticides. Throw the rinsed-out container in the trash. Don't burn or reuse old containers.

Safely store pesticides in their original container. Protect the label and make sure the word DANGER appears on the container.

If the chemical is flammable, keep it away from heat, flames and spark sources. Also, store it where it won't freeze. Always store chemicals out of the reach of children.

Before purchasing a pesticide or herbicide, make sure you need one. Contact the local agricultural extension service for information on when to use pesticides/herbicides. If you need to use these chemicals, buy only the amount you need. Try using up leftover pesticides/herbicides before purchasing more.

Vehicles

Automobiles consume vast quantities of gasoline, motor oil, antifreeze, car batteries, degreasing agents, windshield washing fluid, car waxes and cleaners. While most of these products are necessary for proper operation and maintenance, they are all toxic.

Any oil that has been refined from crude oil and has been used is "used oil." The term "used oil" also applies to any oil that is no longer useful to the original purchaser as a consequence of extended storage, spillage or contamination with nonhazardous impurities such as dirt and water.
Used oil is a hazardous waste. The hazards associated with used oil result from the various additives used in its manufacture and from the heavy metal contaminants picked up from use in the internal combustion engine.

Oil poured down household drains or directly onto the ground can reach the lakes, rivers and ground water. It can pollute the groundwater with contaminants such as lead, magnesium, copper, zinc, chromium, arsenic, chlorides, cadmium and polychlorinated byphenyls (PCBs). One quart of oil can pollute 250,000 gallons of drinking water.

Used oil is recyclable. Two and one half quarts of lubricating oil is gained by re-refining one gallon of used oil. You can participate in oil recycling by draining the used oil into a clean container with a tight fitting cap. Do not mix the recovered oil with any other liquid and make sure the oil is free from dirt, leaves and other debris. Many auto parts stores will accept your oil for recycling.

Automobiles use lead-acid batteries. Lead-acid batteries contain lead and sulfuric acid. The lead can contaminate water and the acid can burn skin. These batteries have approximately 18 pounds of toxic metals and a gallon of corrosive acids.

If lead-acid batteries are improperly disposed of, such as dumped in a non-hazardous landfill or an empty field, the lead and sulfuric acid can seep into the ground, contaminating the environment and ground-water supply. Damaged, leaking batteries improperly disposed of in the regular trash also pose a danger to refuse collectors who can come in direct contact with sulfuric acid. They are also a fire hazard.

Symptoms of severe lead poisoning include coma, convulsions, irreversible mental retardation, seizures and even death. Even low levels of lead exposure can result in fatigue, impaired central nervous system functions and impaired hearing.

Lead-acid batteries are recyclable. Many places that sell batteries will take the battery. Also some garages and scrap metal dealers will take the battery. If you have a used battery at home, store it safely until you can take it somewhere to recycle. For safe storage, keep the battery in a dry place inside or a lead-proof container outside. Store batteries out of the reach of children and pets.

Nationwide, 70 percent of spent lead-acid batteries are recycled. After the lead is separated from the non-metallic components of the battery, it then is smelted to produce soft lead and lead alloys. Most of these lead products are used to make new lead-acid batteries.

Antifreeze is made up mainly of water and ethylene glycol and added to the radiator water in a car to lower the freezing point and raise the boiling point of radiator fluid. In other words, it keeps the water from freezing on very cold days and boiling over on hot days.

Auto maintenance experts recommend that radiators should be flushed every one to two years. This presents a question of what to do with the radiator fluid. You have to be careful not only to store new antifreeze safely, but also to dispose of used antifreeze properly.

Because ethylene glycol is a clear, colorless and sweet-tasting liquid, it is very attractive to pets and small children. Pets will lap up an antifreeze puddle because it tastes sweet. Young children are also at risk. If swallowed, ethylene glycol may cause depression, followed by respiratory and
cardiac failure, renal and brain damage. It is often fatal.

Antifreeze that is carelessly disposed of, such as poured into a storm drain or ditch, a river or stream, onto the ground or into the trash, presents a health threat to humans, animals and the environment.

Flush antifreeze down the toilet or sink with plenty of water if your house connects to a sanitary sewer system. The sewage treatment plant will break down hazardous chemicals in antifreeze. Used antifreeze can be recycled for use by the mining industry (sprayed on coal to keep it from sticking together) and the glycol industry (used for airplane de-icing solution). It also is used in cement grinding and brake fluid.

Gasoline is toxic and extremely flammable, and never should be used as a cleanser. Always store gasoline in a cool, well-vented area away from electrical sources. Gasoline should be kept only in a metal, stopper-topped container.

Cleaners

Some chemicals in cleansers may be hazardous to your health during routine use even though exposure is only to small amounts in the air or on your skin. You can reduce the risk to your health by avoiding products containing toxic chemicals. Or, if you must use toxic chemicals, be sure to follow the manufacturers' directions.

Organic solvents affect the central nervous system, liver and kidneys. Many are flammable and a few are suspected carcinogens. Petroleum distillates in polishes and sprays, perchloroethylene in spot removers, mineral spirits in paint thinner and p-dichlorobenzene in moth balls are all examples of organic solvents.

Strong acids or bases are corrosive to skin, eyes and mucous membranes, and can react with other household chemicals. Acids are found in tub, tile and toilet cleaners and in rust removers. Lye in oven cleaners and hypochlorites in chlorine bleach are examples of high-pH corrosive substances.

Phenols and alcohols are poisonous and flammable chemicals and active ingredients in most disinfectant products.

Although not highly toxic, synthetic detergents are the household chemicals most frequently ingested by children. "Real" soaps made from animal fat or vegetable oil are less toxic.

Cleansers also may contain added dyes, perfumes, fillers, aerosol propellants, and traces of ammonia and formaldehyde. Keep in mind that hazardous wastes are produced in manufacturing all the different chemicals contained in these elaborate formulas. They generate waste problems even before you buy them.

Paint

Leftover oil or solvent-based paint is a hazardous waste. Toxic, dangerous chemicals used in the production of oil-based paint can pose serious threats to human health and the natural environment if handled or disposed of improperly.

A Johns Hopkins University study found 300 toxic chemicals and 150 carcinogens that may be present in paint. Hazardous chemicals can be found in each of the four basic components that make up oil-based paint: resins, solvents, pigments and additives.

Resins that cover the surface may contain ethylene, which may cause headaches, dizziness and loss of consciousness. Ethylene also is flammable and can be toxic to aquatic wildlife. Urethane alkyds, which cause nausea, vomiting, and drowsiness, also may be present.

Solvents that keep the resin liquefied contain aromatic hydrocarbons such as mineral spirits and toluene. Mineral spirits can be a skin, eye, nose, throat and lung irritant, as well as flammable. Very high air concentration may cause unconsciousness and death. Toluene may irritate the eyes, respiratory tract and skin. Acute exposure results in central nervous system depression.

Pigments that provide the color may contain heavy metals such as cadmium and chromium. Cadmium irritates the respiratory tract while chromium is an eye and skin irritant. Pigments also may be made with zinc oxide, which can cause flu-like symptoms.

Additives, such as thickeners and fungicides, may contain heavy metals such as mercury compounds, which can irritate the skin and mucous membranes.

If oil-based paint is thrown into the trash and ends up in a sanitary landfill, there is the potential health hazard of the chemicals seeping into the groundwater and possibly being consumed by animals or people. In addition, since oil-based paint is flammable, refuse workers may
be injured and equipment may be damaged during trash collection.

If you must use oil-based paint, buy only the quantity needed. Measure the space you wish to paint and ask for help from the retailer to purchase the right amount.

Reuse or recycle leftover paint by giving it to someone who can use it, such as a neighbor or friend, theater group, school or other community organization.

If possible, use latex or water-based paint instead because they are made up of less hazardous ingredients. Latex paint is easy to apply and can be cleaned with soap and water. Latex paint also is less harmful to the environment than oil-based paint, which contains more hazardous ingredients.

Take leftover oil-based paint to a household hazardous waste collection facility or event.

Product Effects and Safer AlternativesDefinitions:

Corrosive: A chemical, (solid, liquid or gas), that can cause destructive damage to body tissues at the site of contact. It can cause severe burns to the skin and can "eat through" clothing, metal and other materials.

Flammable: Can be ignited at almost any temperature. Spontaneously react with oxides.

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